SMS without internet / Bulk SMS using GSM Modem :
Many times there arise situation where internet connection is either not available or possible or even restricted , in such case Mobilink has developed a nice solution for bulk SMS which works without internet also . 

Actually a GSM Modem gets attached to a computer and with the help of this GSM modem computer sends and even receives the SMS . GSM Based solution are many times cheap within circle , only disadvantage is the speed . 
In GSM based SMS the billing is done from the SIM that gets attached to the modem , you have the liberty to choose the operator who offers lowest rate plans for ex: BSNL offers unlimited SMS to BSNL customer @ Rs 50 per/month 


With the GSM modem we can reach the speed up to 500 sms/min . If you can work with this speed then this is the most economical and effective solution for you .


Figure 1.